400015346 has 8 divisors (see below), whose sum is σ = 607252464. Its totient is φ = 197597860.

The previous prime is 400015337. The next prime is 400015397. The reversal of 400015346 is 643510004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204700 + ... + 1205031.

It is an arithmetic number, because the mean of its divisors is an integer number (75906558).

Almost surely, 2^400015346 is an apocalyptic number.

400015346 is a deficient number, since it is larger than the sum of its proper divisors (207237118).

400015346 is a wasteful number, since it uses less digits than its factorization.

400015346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409816.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 400015346 is about 20000.3836463204. The cubic root of 400015346 is about 736.8157221321.

The spelling of 400015346 in words is "four hundred million, fifteen thousand, three hundred forty-six".